军工ETF（512660）近20日净流入超21亿元，规模居同类第一，回调或可布局

Group 1 - The seventh Tianjin General Aviation Expo focuses on low-altitude economy and breakthroughs in domestic helicopter technology, showcasing the Z-20T assault helicopter for the first time, demonstrating the multi-mission capabilities of domestic helicopters [1] - The exhibition established a low-altitude economy display area, promoting the signing of 21 key projects covering the entire chain of research, manufacturing, and operation, highlighting the investment potential in the low-altitude economy and the all-domain combat capabilities of domestic helicopters [1] - The military industry is exhibiting three growth curves: domestic demand driven by low-cost precision-guided munitions and unmanned systems; accelerated construction of an informationized and intelligent combat foundation; and military trade demand potentially exploding due to the India-Pakistan conflict [1] Group 2 - The military industry is transitioning from a phase of "increased volume and price" to "increased volume and stable price," shifting focus from "platform volume" to "building systems, addressing shortcomings, and going global," with a focus on AI-enabled intelligent combat foundations, low-cost precision-guided munitions, and unmanned systems [1] - The military ETF (512660) tracks the CSI Military Industry Index (399967), which selects listed companies in aviation, aerospace, shipbuilding, weaponry, and military electronics from the Shanghai and Shenzhen markets to reflect the overall performance of China's military industry listed companies [1] - The index constituents exhibit a small and medium-cap style, primarily focusing on the aviation equipment and military electronics sectors [1]